Source code for pydolphinscheduler.tasks.spark

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"""Task Spark."""

from typing import Optional

from pydolphinscheduler.constants import TaskType
from pydolphinscheduler.core.engine import Engine, ProgramType




class SparkVersion(str):
    """Spark version, for now it just contain `SPARK1` and `SPARK2`."""

    SPARK1 = "SPARK1"
    SPARK2 = "SPARK2"





class DeployMode(str):
    """SPARK deploy mode, for now it just contain `LOCAL`, `CLIENT` and `CLUSTER`."""

    LOCAL = "local"
    CLIENT = "client"
    CLUSTER = "cluster"





class Spark(Engine):
    """Task spark object, declare behavior for spark task to dolphinscheduler."""

    _task_custom_attr = {
        "deploy_mode",
        "spark_version",
        "driver_cores",
        "driver_memory",
        "num_executors",
        "executor_memory",
        "executor_cores",
        "app_name",
        "main_args",
        "others",
    }

    def __init__(
        self,
        name: str,
        main_class: str,
        main_package: str,
        program_type: Optional[ProgramType] = ProgramType.SCALA,
        deploy_mode: Optional[DeployMode] = DeployMode.CLUSTER,
        spark_version: Optional[SparkVersion] = SparkVersion.SPARK2,
        app_name: Optional[str] = None,
        driver_cores: Optional[int] = 1,
        driver_memory: Optional[str] = "512M",
        num_executors: Optional[int] = 2,
        executor_memory: Optional[str] = "2G",
        executor_cores: Optional[int] = 2,
        main_args: Optional[str] = None,
        others: Optional[str] = None,
        *args,
        **kwargs
    ):
        super().__init__(
            name,
            TaskType.SPARK,
            main_class,
            main_package,
            program_type,
            *args,
            **kwargs
        )
        self.deploy_mode = deploy_mode
        self.spark_version = spark_version
        self.app_name = app_name
        self.driver_cores = driver_cores
        self.driver_memory = driver_memory
        self.num_executors = num_executors
        self.executor_memory = executor_memory
        self.executor_cores = executor_cores
        self.main_args = main_args
        self.others = others